家蚕耐氟性状基因效应分析

Analysis on Gene Effects of Fluoride-Resistance in Silkworm ( Bombyx mori L.)

采用世代平均值分析的多元回归程序 ,对家蚕耐氟性状的基因效应参数进行了估计。结果表明 :家蚕耐氟性能世代间存在显著差异 ,耐氟性状遗传符合加性 显性遗传模型 ;耐氟性表现为部分显性遗传 ,主要受加性效应所控制 ,显性效应比例较小 ,加性效应引起的变异比例为 81 92 % ,显性效应变异为 11 93 % 。

Based on the multiple regression procedure for the generation mean analysis,gene effects of fluoride resistance in silkworm were studied.The results were as follows:The ability of fluoride resistance in silkworm had significant differences among generations.The additive dominant genetic model was adequate for account of fluoride resistance.Fluoride resistance showed a partial dominant inheritance and is mainly controlled by the additive effect.The dominant effect only play a little role,epistatic effects is not existing.The additive and dominant effects accounted for 81.92% and 11.93 % for total variations respectively.